JP2002264730A - Fork support device of bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fork support device of a bicycle capable of minimizing clearance between a support position and a roof in support of the bicycle. SOLUTION: This fork support device is composed of a rod 6 having support parts 5 for freely inserting and extracting an opening of both forks having the opening capable of receiving a wheel shaft of a wheel of the bicycle, a body 7 for insertably holding the rod 6, a stopper arranged in one end part of the rod 6, and capable of pressing one of the forks from a side surface, a rod nut 10 capable of moving the rod 6 to a position for sandwiching the other of the forks to the body 7, and a non-sandwiching position by threadedly engaging one end part with a screw part formed in the other end part of the rod 6, a gear engaged with the other end part of the rod nut 10 in a nonrotatable state, and an operation means 12 for idly rotating to the gear at unidirectional rotation time, and engaging at the other directional rotation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a bicycle fork support device.

[0002]

2. Description of the Related Art A conventional bicycle fork support device is disclosed, for example, in Japanese Patent Application Laid-Open No. 7-10054. Such a fork support device is held by a carrier mounted on the roof of an automobile. That is, the bicycle frame is provided with a fork having a pair of pointed ends, and the fork is formed with an opening capable of receiving the axle of the bicycle wheel. This opening allows the wheel axle to be received when the wheel is assembled to the frame.
It is formed in a U-shape. The fork support device includes a rod having a support portion through which an opening of the fork is removably inserted, a main body holding the rod so as to be freely inserted, and a fork provided at one end of the rod and provided at one end of the rod. A stopper capable of pressing one of the rods from the side surface, an engaging means which is screwed to a screw formed at the other end of the rod, and a lever which can rotate the engaging means. Techniques are disclosed.

[0003]

However, in such a bicycle fork supporting device, the engaging means of the means for supporting the bicycle must be rotated about an axis so that the lever is attached to the roof. It has to be lifted to the upper side so as not to interfere, so that not only the size is increased, but also the position of the operator's arm is low, for example, it is difficult to operate if the operator is a woman or a child. That is, the bicycle is lifted and fixed on the bicycle fork supporting device on the automobile roof, and is located at a relatively high position since it is located above the automobile roof as described above. Therefore, since the amount of extension of the arm is increased, it is extremely difficult for a short person to operate aside from a tall person. In addition, stopping the rotation adjustment of the shaft and adjusting the relationship between the interference and the remaining gap requires a lot of trouble, and an improvement is required.

Accordingly, the present invention is to provide a bicycle fork supporting device which not only makes it possible to reduce the gap between the supporting position and the roof when supporting the bicycle, but also improves the mounting workability. The purpose is.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, there is provided a support portion which has an opening capable of receiving an axle of a bicycle wheel and an opening of both forks which can be inserted and removed. A rod, a main body holding the rod so as to be freely inserted, a stopper disposed at one end of the rod and capable of pressing one side of the fork from a side surface, and a stopper formed at the other end of the rod. A rod nut whose one end is screwed into a threaded portion, the rod being movable between a position for holding the other end of the fork with respect to the main body and a position for not holding the other of the fork; It comprises a gear engaged with the end portion in a non-rotational state, and an operating means that rotates with the gear while idling in one direction and engaging in rotation in the other direction.

According to the first aspect of the present invention, when the openings of both forks of the bicycle are applied to the rod, and the operating means is appropriately rotated in one direction, the gear is caused to perform idle rotation (a ratchet mechanism) to operate the operating means. When the gear is rotated in the other direction from the raised position, the gear rotates in the engaging direction, and the rod is moved into the rod nut, so that the gap between the stopper and the main body and the gap between the main body and the rod nut are Both gaps become smaller. By repeating the operation of rotating the operating means in one direction and another in the other direction, both forks can be held between the two forks as needed.
Therefore, since the operation of the operating means can be performed by appropriately rotating the roof upward, the mounting workability is significantly improved. Also, even if the position of the rod is close to the roof, it does not interfere with the roof, so the gap between the rod position and the roof is reduced, and the position of the rod is reduced by that much, so that short operation is possible. The installation work is easy for the person.

According to a second aspect of the present invention, there is provided a fork having an opening capable of receiving an axle of a bicycle wheel, a rod having a support portion through which at least one of the openings is removably inserted, and a rod having the support portion exposed. A main body holding one end of the rod, and a position where the fork is clamped with respect to the main body by one end being screwed into a threaded portion formed at the other end of the rod. A rod nut movable to a holding position, a gear engaged with the other end of the rod nut in a non-rotational state, and an idle rotation while rotating in one direction with respect to the gear; Operating means that engages when rotating in the direction.

According to the second aspect of the present invention, when one opening of the fork of the bicycle is applied to the rod and the operating means is appropriately rotated in one direction, the gear is caused to perform idle rotation (ratchet mechanism) to rotate the operating means. When the gear is lifted and rotated in the other direction from the raised position, the gear rotates in the engaging direction to move the rod nut, thereby reducing the gap between the main body and the rod nut. By repeating the operation of the operating means in one direction and the other in an appropriate direction, the fork can be held between the two for a sufficient time. Therefore, since the operation of the operating means can be performed by appropriately rotating the roof upward, the mounting workability is significantly improved.
Also, even if the position of the rod is close to the roof, it does not interfere with the roof, so the gap between the rod position and the roof is reduced, and the position of the rod is reduced by that much, so that short operation is possible. The installation work is easy for the person.

[0009] The invention of claim 3 is claim 1 or claim 2.
The bicycle fork support device according to claim 1, wherein the main body is mounted on a carrier supported on a roof of an automobile, and is capable of supporting the rod, and a rotatable shaft mounted on the main folder. A bar holder that is supported and can hold the lower side of the carrier and that can be fixed to the carrier together with the main folder by fixing means that can be operated from the main folder side; and a bar holder that is rotatably supported by the main folder. And a cover for covering the fixing means. The cover is provided with a key cylinder that can be engaged with and disengaged from the main folder.

According to the third aspect of the present invention, the main body is supported by being held by the main and bar holders on the carrier supported by the roof. Can be moved to an appropriate position. Further, since the fixing means is covered by the cover and the cover is prevented from being carelessly opened by the key cylinder, theft by releasing the fixing means can be prevented.

The invention according to claim 4 is the invention according to claims 1 to 3.
The bicycle fork support device according to any one of the preceding claims, wherein the operating means includes a change lever having an engagement claw that is capable of engaging and disengaging with the gear, and a rotatably pivotally supporting the change lever. The operation claw of the change lever is formed at a position offset from the shaft support of the operation unit, and the change lever is rotated to one side to thereby operate the change lever. When the operating portion is rotated to one side while the engaging claw is engaged with the gear, the engaging claw can be rotated by repeatedly engaging and disengaging the teeth of the gear sequentially, and the operating portion can be rotated to the other side. It is configured to be able to prevent rotation to the side.

According to the fourth aspect of the present invention, since the engagement claws of the change lever are formed at positions deviated from the shaft support of the operation means, the engagement claws with the gear in the fastening direction. It has a ratchet function with a simple configuration that only switches to the release direction. By having the ratchet function, when the change lever is tilted to the fastening side, engagement with the gear is ensured, and no loosening occurs.

According to a fifth aspect of the present invention, there is provided the bicycle fork supporting apparatus according to the fourth aspect, wherein one end of the operation portion rotatably supports the rod nut and covers the gear. A grip is rotatably supported at the other end of the operation unit so as to be rotatable at least to a position perpendicular to the cover side, and the grip can be held by the cover.

According to the fifth aspect of the present invention, if the grip is rotated with respect to the operation unit and held in the cover, the grip cannot be operated in the release direction by the cover. That is, reliable antitheft property is obtained. In addition, if the grip is rotated into the cover while the operation unit is being tightened, the anti-theft position, that is,
It is movable to a position held by the cover.

According to a sixth aspect of the present invention, there is provided the bicycle fork supporting device according to the fourth aspect, wherein one end of the operating portion rotatably supports the rod nut and covers the gear. A grip is rotatably supported at the other end of the operation unit so as to be rotatable at least to a position perpendicular to the cover side, and the change lever can be pressed to one side inside the operation unit. In addition, a pin that can move forward and backward is pivotally supported on the other side, and an eccentric head is formed on the grip so that the change lever can be pressed to one side via the pin.

According to the sixth aspect of the present invention, if the pin is pressed by rotating the grip to a position at least perpendicular to the operation unit, the pin cannot rotate the change lever. . That is, it cannot be rotated in the release direction, and reliable antitheft property can be obtained.

The invention according to claim 7 is the invention according to claims 1 to 6.
The fork support device for a bicycle according to any one of claims 1 to 3, wherein one end of the rod nut has a surface on the body side,
An uneven support surface for pressing the side surface of the fork is formed.

According to the seventh aspect of the present invention, even if the shape of the side surface of the fork varies due to the unevenness of the support surface, the fork can be securely pressed down, so that the fork can be prevented from coming off.

The invention of claim 8 is the first to seventh aspects of the present invention.
The bicycle fork support device according to any one of the above, wherein the main body supports a tray capable of holding a bicycle tire.

According to the invention of claim 8, since the bicycle tire can be held by the tray, the bicycle can be reliably held.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a fork supporting device for a bicycle, which is a support for allowing both forks 4 having openings 3 for receiving axles of wheels (not shown) of the bicycle 2 to be removably inserted therein. A rod 6 having a portion 5; a body 7 holding the rod 6 so as to be inserted therethrough; and a flange 6 projecting from one end 6a of the rod 6 and having one side 4a of the fork 4 from the side. The rod 6 is fixed to the main body 7 by screwing a stopper 8 that can be pressed and one end 10a to a screw portion 9 that is formed in a long range on the other end 6b of the rod 6. A rod nut 10 movable between a position for holding the other 4b of the fork 4 and a position for holding the other 4b, and a gear 11 which is engaged with the other end 10b of the rod nut 10 in a non-rotating state. , The gear 1 Formed by more configuration and operation means 12 for engaging at the other rotating while misses rotates during rotation in one direction relative to. Reference numeral 18 denotes a holder for covering the stopper 8, which has an uneven support surface 18a for pressing the side surface of the fork 4 by pressing the side surface of one side 4a of the fork 4 to prevent the fork 4 from coming off. It becomes.

The rod nut 10 will be described in more detail. The rod nut 10 includes a nut portion 13,
Collar part 14, stop ring 15, O-ring 1
6, the nut portion 13 and the collar portion 1
4 may be formed integrally, or, as in this embodiment, the nut portion 13 and the collar portion 14 are formed separately, and the stopper portion 15 and the O-ring 16 are used to prevent the nut portion 13 from coming off. May be. In the case of this embodiment, since the collar portion 14 does not rotate, the side surface of the fork 4 of the bicycle 2 is not damaged. The nut portion 13 is formed with a hollow portion 13a that is round along the axis 17 so that the other end portion 6b of the rod 6 can enter therethrough. Of the hollow portion 13a, the hollow portion 13a is formed at the one end portion 10a. A female screw portion 13b is formed at a corresponding position. The outside of the position corresponding to the other end 10b is formed in a hexagonal column shape, and the outside on the end side is formed in a column shape with a smaller diameter than the hexagonal column. The collar section 14
Is made of zinc die-cast, and the other end 6b of the rod 6
The hollow portion 14a is aligned with the axis 17 so that
Is formed, and one end 10 of the rod nut 10 is formed.
It is held on the side corresponding to a. Reference numeral 14b denotes an uneven support surface for pressing the fork 4 by pressing the side surface of the other 4b of the fork 4 to prevent the fork 4 from falling off.

The gear 11, as shown in FIG.
A hexagonal through-hole 11a into which the hexagonal column of the nut portion 13 corresponding to the other end portion 10b of the rod nut 10 is tightly engaged is formed.
Is formed.

The operating means 12, as shown in FIG.
It comprises a change lever 20 having the first and second 22 and an operation portion 24 rotatably supporting the change lever 20 by a shaft support portion 23 and enabling the rod nut 10 to move. The engagement claws 21 and 22 of the change lever 20 are formed so as to protrude at positions offset by about 6 mm from the position of the shaft support 23 of the operation unit 24. An engagement claw 21 of the change lever 20;
The opposite side of the side where the side 22 is formed,
A groove 25 is formed at the same central position as the other end of the coil-shaped spring 27, one end of which is held in a concave portion 26 formed in the operation portion 24, that is, the change lever 20. A flat-plate-shaped spring guide 28 is arranged on the side facing the opposite side, and is engaged in the groove 25. The center of the concave portion 26, that is, a portion for holding one end of the spring 27 is located at the rod nut 10
Are arranged on the same line as the other end portion 10b of the first shaft portion and the shaft support portion.

Therefore, the operation unit 2 for the gear 11
The relationship of 4 has a so-called "ratchet mechanism" that allows only rotation to one side and prevents rotation to the other side. Next, a description will be given. The change lever 20 is engraved with "OPEN" on the upper side of FIG. 10, and "LOCK" on the lower side.

When the "OPEN" side is tilted toward the gear 11 as shown in FIG.
3 and the engaging claw 21 on one side engages with the teeth 11 b of the gear 11.

In this state, when the operating portion 24 is to be rotated to one side, that is, to the side B (clockwise) in FIG. 10, the lower side of the engaging claw 21 is pressed against the upper side of the tooth 11b, Due to the resistance, the change lever 20 is moved as shown in FIG.
(Clockwise), the spring 27 is slightly contracted and rotated. Since one of the engagement claws 21 is disengaged from the teeth 11b, the operation unit 24 can rotate in the B direction by one tooth 11b. At this time, since the spring 27 is pressed in the contracting direction via the spring guide 28 as described above, the resilient force of the spring 27 causes the change lever 20 via the spring guide 28 to move in the counterclockwise direction. When the urging force is applied, the change lever 20 is urged in the direction C (counterclockwise) in FIG.
Engages with the next tooth 11b. In this manner, the one of the claws 21 is sequentially engaged with the next tooth 11b, so that the operating portion 24
It is possible to swing freely in the B direction to any position.

Next, with the engaging claw 21 on one side engaged with the teeth 11b of the gear 11, the operating portion 24 is rotated to the other side, that is, the side A (counterclockwise) in FIG. In this case, the force applied to the operation unit 24 is transmitted to the tooth 1 of the gear 11 via one engagement claw 21 of the change lever 20.
1b, and is urged to rotate in the C direction (counterclockwise), but the change lever 20 interferes with the spring guide 28 engaged in the groove 25 of the change lever 20, and the teeth 11
The engagement between the engagement c and the engagement claw 21 is not released, and the operation unit 24 is in a state where the rotation is prevented. That is, when the operation unit 24 is rotated in the direction A (counterclockwise) in a state where rotation with respect to the teeth 11b is not possible, the force is applied to the through holes 11a.
Through the rod nut 10 and the rod nut 10
Rotates counterclockwise, and the rod 6 is moved. That is, at this time, the rod 6 is connected to the rod nut 10.
As a result, the rod nut 10 is separated from the main body 7, the clearance of the support portion 5 is increased, and the fork 4 of the bicycle 2 comes off.

Next, when the "LOCK" side of the change lever 20 is tilted in the direction D in FIG. 10, the spring guide 28 is pushed by the groove 25 of the change lever 20, and the spring 27 is once contracted to be in the neutral state. Then, by further rotating the change lever 20, it rotates about the shaft support portion 23, and the engaging claw 22 on the other side engages with the teeth 11 b of the gear 11.

In this state, when the operating portion 24 is to be rotated to one side, that is, to the side A (counterclockwise) in FIG. 10, the upper side of the engaging claw 22 is pressed against the lower side of the tooth 11b. Due to the resistance, the change lever 20 is moved as shown in FIG.
(In the counterclockwise direction), the spring 27 is slightly contracted and rotated. The other engaging claw 22 is the tooth 11b
, The operation unit 24 can rotate in the direction A by one tooth 11b. At this time, since the spring 27 is pressed in the contracting direction via the spring guide 28 as described above, the change lever 20 is clockwise attached to the change lever 20 via the spring guide 28 by the repulsive force of the spring 27. When the force is applied, the change lever 20 is urged in the direction D (clockwise) in FIG. 10, and the other engagement claw 22 is engaged with the next tooth 11b. Thus, successive teeth 1
When the other claw 22 is engaged with 1b, the operation unit 24
It is possible to swing freely in the direction A to any position.

Next, in the same state as described above, in which the engaging claw 22 on the other side is engaged with the teeth 11b of the gear 11, let the operating portion 24 rotate to the other side, that is, the side B (clockwise) in FIG. Then, the force applied to the operation portion 24 is transmitted to the teeth 11 of the gear 11 through the other engagement claw 22 of the change lever 20.
b, and is urged to rotate in the direction D (clockwise), but the change lever 20 interferes with the spring guide 28 engaged in the groove 25 of the change lever 20, and the teeth 11b
The engagement between the and the engaging claw 22 is not released, and the operation unit 24 is in a state where the rotation is prevented. That is, when the operation unit 24 is rotated in the direction B (clockwise) in a state where rotation with respect to the teeth 11b is impossible, the force is applied to the rod nut 10 through the through hole 11a, and the rod nut 10 is By rotating clockwise, the rod 6 is moved. That is, at this time, since the rod 6 is moved in a direction to enter the rod nut 10, the rod nut 10 approaches the main body 7 as a result, the gap of the support portion 5 is reduced, and the fork 4 of the bicycle 2 is fixed. become.

The operating means 12 includes the operating section 24,
The grip 29 is rotatably supported by the shaft 30 from the state shown in FIG. 8 to a position where the grip 29 stands up by 90 degrees. The operating portion 24 is made of zinc die-casting, rotatably supports the other end 10b of the rod nut 10, and covers the gear 11 with one end 24a. The grip 29 can be held by a cover 42 described later. Note that reference numeral 31 is
A cap which is covered to hold the gear 11, the change lever 20, the spring 27, etc. in a state housed in the operation part 24.
Has been adhered to.

The main body 7 is mounted on a carrier 36 supported by a roof 35 of an automobile, and has a through hole 47 capable of supporting the rod 6, and a main folder 37; Shaft 38
The carrier 36 is rotatably supported by the
A bar holder 41 which can be fixed to the carrier 36 together with the main folder 37 by bolts 39 and nuts 40 which are "fixing means" which can hold the lower side and can be operated from the main folder 37 side; A cover 42 rotatably supported by the shaft 38 and covering the bolt 39; a long tray 44 having one end fixed to the main folder 37 by a bolt 43; A tire holder 45 provided at the other end side of the bicycle and capable of holding a tire of the bicycle, an end cap 46 provided at the other end of the tray 44, and an intermediate position of the tray 44 fixed to the carrier 36. And an intermediate support portion 51. The nut 40 is supported on the lower surface of the bar holder 41 by welding.

The cover 42 is provided with a key cylinder 49 capable of engaging and disengaging from a notch 48 formed in the main folder 37. By inserting a key (not shown) into the key cylinder 49 and rotating the key cylinder 49, the engaging portion 49a of the key cylinder 49 is engaged with the notch 48 to cover the bolt 39 as shown in FIG. ing. Since the side surface of the bolt 39 is covered with the main folder 37 and the upper surface is covered with the cover 42, a tool for removing the bolt 39 cannot be applied to the bolt 39. Further, the cover 42 is moved to a position indicated by a two-dot chain line in FIG. 4 by a winding spring 50 supported by the shaft 38.
It is biased to be able to jump up.

As shown in FIG. 7, the tray 44 has a surface 44a having a substantially V-shaped cross section. The intermediate support portion 51 that supports the intermediate position of the tray 44 on the carrier 36 can fix a plate nut 52 inserted into a groove 44b on the lower surface of the tray 44 at an appropriate position with a bolt 53. I have. With the bolt 53, a clamp 54 having an L-shaped cross section holds the carrier 36, and a knob 57 is inserted through a T-shaped bolt 55 and a nut 56.
It can be fastened.

The tire holder 45 can be supported at the rearmost side of the tray 44 as shown in FIG. 1 or at an intermediate position as shown in FIGS. In any case, the band 58 can be fastened together with the tire 59 of the bicycle 2.

According to the fork supporting device 1 for the bicycle 2 configured as described above, both forks 4a,
The openings 3, 3 of 4b are applied to the rod 6, and the operating means 12
When the gear is rotated in one direction, the operating means is lifted by the idle rotation with respect to the gear 11, and when rotated in the other direction from the raised position, the gear 11 is rotated in the engaging direction, and the rod nut 10 is rotated. By moving the rod 6 inside, the gap between the stopper 8 and the main body 7 and the gap between the main body 7 and the collar portion 14 of the rod nut 10 are both reduced.
The operation means 12 is repeatedly rotated in one direction and the other direction as appropriate, so that both forks 4a and 4b are eventually formed.
Is held between the two. Therefore, the operation of the operation means 12 may be an appropriate rotation of the roof 35 upward, and the rod 6 does not interfere with the roof 35 even if the position of the rod 6 is close to the roof 35. In this way, the gap between the position of the rod 6 and the roof 35 is reduced, and the position of the rod 6 is reduced accordingly, so that the mounting operation is easy for a short operator.

Further, since the main body 7 is supported by being held by the main and the bar holders 37 and 41 on the carrier 36 supported by the roof 35, the holding position is changed so that the main body 7 is supported. It can be moved to an appropriate position. The bolt 39 serving as the fixing means is covered by the cover 42 and the key cylinder 49
This prevents the cover 42 from being opened carelessly, so that the theft by releasing the bolt 39 can be prevented.

The engagement claws 21 of the change lever 20 are formed at positions offset from the shaft support 23 of the operating means 12, respectively, so that the engagement with the gear 11 can be performed in either the fastening direction or the release direction. It has a ratchet function with a simple configuration of only switching. By having the ratchet function, when the change lever 20 is tilted to the fastening side, engagement with the gear 11 is ensured,
No loosening occurs.

When the grip 29 is rotated with respect to the operation unit 24 and held in the cover 42, the cover 4
2, the grip 29 cannot be operated in the release direction. Also, the grip 29 is covered with the cover 4 while the necessary and sufficient fork 4 is being tightened.
2, the risk of forgetting the antitheft means is reduced. That is, reliable antitheft property is obtained. Further, if the grip 29 is rotated to the side opposite to the cover 42, the tightening operation can be performed without any trouble even if the operating means 12 is close to the carrier 36.

By pressing the side surface of the fork 4 by the unevenness of the support surfaces 14b and 18a, the side surface of the fork 4 is pressed to prevent the fork 4 from coming off, and the bicycle 2 can be securely held. Become.

Further, since the tires 59 of the bicycle 2 can be held by the tray 44, the bicycle 2 can be reliably held.

FIGS. 12 and 13 show modified examples of the operation means. Reference numeral 60 denotes an operation means.
Is an engagement claw 2 which is capable of being disengaged from the gear 11
It comprises a change lever 20 having the first and second 22 and an operation portion 61 rotatably supporting the change lever 20 by a shaft supporting portion 23 and enabling the rod nut 10 to be moved. One end 61a of the operation unit 61
Is formed by rotatably supporting the rod nut 10 and covering the gear 11. The other end portion 61b of the operation portion 61 can rotate to a position at least perpendicular to the cover 42 side. As described above, the grip 62 is pivotally supported by a shaft 63, and a pin 64 capable of pressing the change lever 20 to one side and being movable forward and backward to the other side is pivotally supported in the operation portion 61. An eccentric head 65 is formed on the grip 62 so that the change lever 20 can be pressed to one side via the pin 64.

According to this configuration, if the pin 64 is pressed by rotating the grip 62 at least to a position perpendicular to the operation unit 61, the pin 64 cannot rotate the change lever 20. become. That is, it cannot be rotated in the release direction, and reliable antitheft property can be obtained.

Further, the relationship between the rod 6 and the main body 7 is not limited to the above-described embodiment, and the two forks 4
, The gap between the rod nut and the main body 7 may be controlled by a rod nut that allows one fork 4a to be engaged and supported by the main body 7 in advance and the other fork 4b to be movable.

That is, a fork having an opening capable of receiving an axle of a bicycle wheel has a support portion having at least one opening which can be inserted and removed, and one end of the rod in which the support portion of the rod is exposed. A holding body, and a position for holding the fork and a position for not holding the fork with respect to the body by having one end screwed into a screw portion formed at the other end of the rod. , A gear engaged with the other end of the rod nut in a non-rotational state, and an idle rotation of the gear when rotating in one direction and a rotation when rotating in the other direction. It may be constituted by operating means that are combined.

According to such a configuration, when one opening of the fork of the bicycle is applied to the rod and the operating means is appropriately rotated in one direction, the operating means is lifted by the idle swing with respect to the gear, and the raised position is obtained. When the gear is rotated in the other direction, the gear rotates in the engaging direction and moves the rod nut, thereby reducing the gap between the main body and the rod nut. By repeating the operation of rotating the operating means in one direction and the other direction, the fork is held between the two. Therefore, the operation of the operating means may be an appropriate rotation upward of the roof, and the rod does not interfere with the roof even if the position of the rod is close to the roof. In this manner, the gap between the position of the rod and the roof is reduced, and the position of the rod is reduced accordingly, so that the mounting operation is easy for a short operator.

[0049]

According to the first aspect of the present invention, when the openings of both forks of the bicycle are applied to the rods and the operating means is appropriately rotated in one direction, the operating means is lifted by idling rotation with respect to the gear. When rotated in the other direction from this raised position, the gear rotates in the engaging direction, and the rod is moved into the rod nut, so that the gap between the stopper and the main body and the gap between the main body and the rod nut are reduced. Both become smaller. By repeating the operation of rotating the operation means in one direction and the other direction, both forks are held between them. Therefore, the operation work of the operation means is
An appropriate rotation upward of the roof may be sufficient, so that even if the position of the rod is close to the roof, it will not interfere with the roof. In this manner, the gap between the position of the rod and the roof is reduced, and the position of the rod is reduced accordingly, so that the mounting operation is easy for a short operator.

According to the second aspect of the present invention, when one of the openings of the bicycle fork is applied to the rod and the operating means is appropriately rotated in one direction, the operating means is lifted by swinging with respect to the gear. When the gear is rotated in the other direction from the raised position, the gear rotates in the engaging direction to move the rod nut, thereby reducing the gap between the main body and the rod nut. By repeating the operation of rotating the operating means in one direction and the other direction, the fork is held between the two. Therefore, the operation of the operating means may be an appropriate rotation upward of the roof, and the rod does not interfere with the roof even if the position of the rod is close to the roof.
In this manner, the gap between the position of the rod and the roof is reduced, and the position of the rod is reduced accordingly, so that the mounting operation is easy for a short operator.

According to the third aspect of the present invention, the main body is supported by being held by the main and bar holders on the carrier supported by the roof. Therefore, by changing the holding position, the main body is supported. It can be moved to an appropriate position. Further, since the fixing means is covered by the cover and the cover is prevented from being carelessly opened by the key cylinder, theft by releasing the fixing means can be prevented.

According to the fourth aspect of the present invention, since the engagement claws of the change lever are formed at positions offset from the shaft support of the operation means, the engagement claws with the gear in the fastening direction are also provided. It has a ratchet function with a simple configuration that only switches to the release direction. By having the ratchet function, when the change lever is tilted to the fastening side, engagement with the gear is ensured, and no loosening occurs.

According to the fifth aspect of the present invention, if the grip is rotated with respect to the operation portion and held in the cover, the grip cannot be operated in the release direction by the cover. That is, reliable antitheft property is obtained.

According to the sixth aspect of the present invention, if the pin is pressed by rotating the grip to at least a position perpendicular to the operation unit, the pin cannot rotate the change lever. . That is, it cannot be rotated in the release direction, and reliable antitheft property can be obtained.

According to the seventh aspect of the present invention, even if the shape of the side surface of the fork varies due to the unevenness of the support surface, the fork can be reliably pressed, so that the fork can be prevented from coming off.

According to the eighth aspect of the present invention, since the bicycle tire can be held by the tray, the bicycle can be securely held.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically illustrating a bicycle fork support device according to the present invention.

FIG. 2 is an enlarged perspective view of the fork of the bicycle of FIG. 1;

FIG. 3 is a plan view of the fork support device of FIG. 1;

FIG. 4 is a side view including a partial cross section taken along line SA-SA of FIG. 3;

FIG. 5 is an enlarged explanatory view according to arrow B in FIG. 3;

FIG. 6 is a bottom view of FIG. 3;

FIG. 7 is a sectional view taken along the line SC-SC of FIG. 6;

FIG. 8 is an explanatory sectional view of the operating means and the rod nut of FIG. 3;

FIG. 9 is a side view taken along the arrow D in FIG. 8;

FIG. 10 is a sectional view taken along the line SE-SE of FIG. 8;

FIG. 11 is a front view of the rod of FIG. 3;

FIG. 12 is an explanatory sectional view of a modification of the operating means and the rod nut of the present invention.

FIG. 13 is a partially broken side view taken along the arrow F in FIG. 12;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bicycle fork support device 2 Bicycle 3 Opening 4 Fork 4a One fork 4b The other of fork 5 Support part 6 Rod 6a One end of rod 6b The other end of rod 7 Main body 8 Stopper 9 Screw part 10 Rod nut 10a Rod nut One end 10b The other end of the rod nut 11 Gear 12, 60 Operating means 14b, 18a Support surface 20 Change lever 21, 22 Engaging claw 23 Shaft 24, 61 Operating part 29, 62 Grip 35 Roof 36 Carrier 37 Main folder 39 Bolt 41 Bar holder 42 Cover 44 Tray 49 Key cylinder 64 Pin as fixing means

Claims (8)

[Claims] 1. A rod having an opening capable of receiving an axle of a bicycle wheel and having a support portion through which an opening of both forks can be inserted and removed, a body holding the rod so as to be insertable, and a rod A stopper disposed at one end and capable of pressing one side of the fork from the side, and one end screwed to a threaded portion formed at the other end of the rod, so that the rod is attached to the main body. A rod nut movable between a position for holding the other end of the fork and a position for holding the other fork, a gear engaged with the other end of the rod nut in a non-rotating state, and the gear A fork supporting device for a bicycle, comprising: an operating means that swings while rotating in one direction and engages when rotating in another direction. 2. A fork having an opening capable of receiving an axle of a bicycle wheel, a rod having a support portion through which at least one opening can be inserted and removed, and one end of the rod with the support portion of the rod exposed. A holding body, and a position for holding the fork and a position for not holding the fork with respect to the body by having one end screwed into a screw portion formed at the other end of the rod. , A gear engaged with the other end of the rod nut in a non-rotational state, and an idle rotation of the gear when rotating in one direction and a rotation when rotating in the other direction. A fork supporting device for a bicycle, comprising: operating means for engaging the fork. 3. The fork supporting device for a bicycle according to claim 1, wherein the main body is mounted on a carrier supported on a roof of an automobile and can support the rod. A main folder, and a bar holder rotatably supported by the main folder, holding the lower side of the carrier, and being fixed to the carrier together with the main folder by fixing means operable from the main folder side. And a cover rotatably supported by the main folder and covering the fixing means. The cover is provided with a key cylinder that can be engaged with and disengaged from the main folder. A fork supporting device for a bicycle, comprising: 4. The fork support device for a bicycle according to claim 1, wherein said operating means has an engagement claw which is capable of being disengaged from said gear. A lever, and an operating portion rotatably supporting the change lever and being operable. The engaging claw of the change lever is formed at a position offset from the shaft supporting portion of the operation portion. When the operating lever is rotated to one side while the change lever is rotated to one side and the engaging claw is engaged with the gear, the engaging claw repeatedly engages and disengages with the gear teeth sequentially. A fork supporting device for a bicycle, wherein the fork supporting device is configured to be rotatable in all directions and to prevent rotation of the operation unit to the other side. 5. The fork support device for a bicycle according to claim 4, wherein one end of the operation portion rotatably supports the rod nut and covers the gear, and the operation portion includes A grip is pivotally supported at the other end of the portion so as to be rotatable at least to a position perpendicular to the cover side, and the grip can be held by the cover. . 6. The fork supporting device for a bicycle according to claim 4, wherein one end of the operation portion rotatably supports the rod nut and covers the gear, and the operation portion includes At the other end of the portion, a grip is pivotally supported so as to be rotatable at least to a position perpendicular to the cover side, and inside the operation portion, the change lever can be pressed to one side and to the other side. The bicycle is characterized in that an eccentric head is formed on the grip so that the change lever can be pressed to one side via the pin. Fork support device. 7. The fork support device for a bicycle according to claim 1, wherein a side surface of the fork is pressed against a surface of one end of the rod nut on the body side. A fork support device for a bicycle, wherein a support surface having an uneven shape is formed. 8. The bicycle fork support device according to claim 1, wherein a tray capable of holding a bicycle tire is supported on the main body. Bicycle fork support device.